INSTALLATION OF 100 KVA STABILIZER FOR POWER SUPPLY OF NCN KAKINADA AND SPECIAL REPAIRS FOR REPLACEMENT OF BER FIRE FIGHTING PUMP SETS AND SEWAGE PUMPS UNDER GE (U-II) VISAKHAPATNAM

Supply, Installation, testing and commisioning of 100 KVA Capacity Servo controlled Voltage stabilizer as per IS 9815: part 1:1994/Reaffirmed 2014 for automatic operation, three phase, naturally oil cooled, outdoor type with IP55 protection, unbalanced type, copper wound, digital display type, Relay free smooth and silent operation designed for input variation between 300 V to 480 V with output voltage stabilized at 415 V with accuracy ± 1% (Adjustable) with rated frequency 50 Hz,No distortion in wave form, Response time not to exceed 10 mille second ,sensitivity (±)1%, speed of correction 12 Volts per second in 3 phase with overload & short circuit protection high/low volatage cutoff, single phase protection system with bypass arrangement compatible Auto/Manual Control with class A insulation, No load losses less than 0.5%, Full load losses less than 2.5% with duty cycle 24x7 with efficiency more than 95% including digital display for Voltmeter/Ammeter, complete all as specified and as directed. Note:- The quoted rate shall be inclusive of first filling of Transformer Oil as per IS 335:2018

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 3.5 Core, 70 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc, complete all as specified and as directed.

Supply, installation, testing and commisioning of 4 pole onload changeover switch, 160 Amps capacity suitable for 415 V, 3 phase, 4 wire, 50 Hz AC Supply, conforming to IS complete with silver plated copper contacts, three positions with mechanical interlocking including switching off neutral, rotary operated handlewith padlocking arrangement in OFF position,mounted in suitable sheet metal enclosure including all interconnections, cable lugs, glands, ferruling, earthing of enclosure, complete all as specified and as directed.

M & L for Earthing complete with Galvanised Steel Earth Plate Electrode 600 X 600 X 6 mm thick burried directly in ground [earth pit not less than 2.25 m deep below ground level] with top edge of Plate not less than 1.50 m below normal ground level connected to 25 X 4mm GI Strip [Earth Lead] and GI pipe 40 mm, Medium Grade for earthing lead protection to the extent of maximum 7.5m, Earth Plate Electrode surrounded by 150mm thick packed layers of Charcoal and Common Salt filled in alternate layers, connected to the Plate by means of GI Bolts & Nuts complete all as per Electrical Plate No. 3 of SSR Part – I, connected to panel / DB including testing on completion including main earthing, Charcoal, Common Salt, PCC [1:2:4, Type B1] Pit with RCC 1:2:4, Type B1 Cover, 50 mm thick with 6 Nos, 8 mm dia TMT bars in both ways, MS frame made with 40 X 40 X 6 mm Angle Iron, MS Funnel with 20 mm bore, medium grade GI Watering pipe, wire mesh, earth work excavation, return filling, removal of surplus soil etc. and disconnecting and taking down existing Earthing of any description, complete all as specified and as directed.

S& F in replacement GI tubing, Light grade, with all fittings, complete fixed to walls and ceiling or laid in trenches / floors for 80 mm dia, complete all as specified and as directed.

Supply, installation, connecting, testing and commissioning of horizontal end suction centrifugal pump set suitable for delivering 2850 LPM at 90 m total head, complete with CI casing, bronze impeller, stainless steel shaft with renewable shaft sleeve, gland packing type sealing arrangement with lantern ring, and renewable wearing rings, designed for continuous operation; complete with suitably rated AC 3-phase, 415 V ±10%, 50 Hz TEFC copper wound squirrel-cage induction motor, IE2 efficiency, NFLP, IP55 protection, Class ‘F’ insulation, mounted on MS fabricated common base frame; direct-coupled through flexible Lovejoy/Fenner type coupling with coupling guard; including foundation bolts, base plate, alignment, grouting, pressure gauge, vacuum gauge, all standard fittings and accessories, and all materials, labour and incidental works required to complete the pump set in all respects in accordance with relevant IS/BS standards for firefighting application including painting with PO red colour, complete all as specified and as directed. Note: PCC/RCC foundation shall be measured and paid separately under relevant BOQ items; however, the cost of the MS fabricated common base plate, foundation bolts, nuts and all required accessories as per manufacturer’s recommendations shall deemed to be included in the quoted rate.

Supply, installation, connecting, testing and commissioning of horizontal end suction centrifugal pump set suitable for delivering 480 LPM at 90 m total head for Jockey pump, complete with CI casing, bronze impeller, stainless steel shaft with renewable shaft sleeve, gland packing type sealing arrangement with lantern ring, and renewable wearing rings, designed for continuous operation; complete with suitably rated AC 3-phase, 415 V ±10%, 50 Hz TEFC squirrel-cage induction motor, IE2 efficiency, NFLP, IP55 protection, Class ‘F’ insulation, mounted on MS fabricated common base frame; direct-coupled through flexible Lovejoy/Fenner type coupling with coupling guard; including foundation bolts, base plate, alignment, grouting, pressure gauge, vacuum gauge, all standard fittings and accessories, and all materials, labour and incidental works required to complete the pump set in all respects in accordance with relevant IS/BS standards for firefighting application including painting with PO red colour, complete all as specified and as directed. Note: PCC/RCC foundation shall be measured and paid separately under relevant BOQ items; however, the cost of the MS fabricated common base plate, foundation bolts, nuts and all required accessories as per manufacturer’s recommendations shall deemed to be included in the quoted rate.

Design, fabricate, supply, installation, testing and commissioning of Automatic Fire Fighting Pump Set Control Panel, Indoor Type cubicle panel board compartmentalized suitable for 3 phase 4 wire, 415 Volts, 50 Hz, AC supply system, factory fabricated in an approved factory having modern fabrication facilities, made out of CRCA sheet steel of 2mm thick with front and rear openable doors with locking facility. Complete panel board shall be applied with powder coat painting of PO red shade duly pretreated with seven tank process and suitable packing material for IP-43 degree of protection and including provision of 50 mm x 50 mm x 6 mm angle iron base frame of suitable size for floor mounting the panel board with a minimum ground clearance of 300 mm above FFL to the bottom of panel including PCC foundation with PCC 1:3:6, type C1 using 20mm graded stone aggregate. Detachable gland plates including double compression stainless steel cable glands of suitable size shall be provided for all incoming and outgoing cables. Steel plate Danger Notice Boards (02 Nos) LT 415/440 Volts, and manufacturer's name plate shall be riveted on panel board. The size of panel board shall be suitable for accommodating and including provision of following switchgear, control gear and accessories including internal wiring with suitable gauge of copper cables, complete all as specified and directed:-

(Item No 08.00 Contd--) (i) Bus bar:- TPN Copper bus bar of 630 Amp rating provided with heat shrinkable coloured PVC sleeve insulation mounted on insulators for main bus bar, copper busbar links from main bus to outgoing MCCBs, Star Delta starters and cable terminals. Continuous earth bus with GI strip of suitable size capable for carrying full short circuit current for 1 sec shall be provided at bottom of the panel. (ii) Incomer:- (a) MCCB, 400 A, 4 Pole, 50 KA (Ics=100%Icu), 415 V, 50 Hz, with adjustable thermal - magnetic release with spreader links and extended ROM - 01 No (b) Digital Voltmeter with selector switch - 01 Set. (c) Digital Ammeter with selector switch & suitable ratio of CT's - 01 set (d) LED Pilot light indication lamps for R,Y,B phases - 01 Set of 03 (iii) Outgoing (for Main Pump):- (a) MCCB, 250 A, 3 Pole, 50 KA (Ics=100%Icu), 415 V, 50 Hz, with adjustable thermal - magnetic release with spreader links and extended ROM - 01 No (for main pump) (b) Fully Automatic Star Delta (FASD) starter suitable for 75KW / 100 HP, 3 phase, 415 V, 50 Hz, AC induction motor coupled with centrifugal pump with Overload Load Relay, Single Phasing Preventor, Start / Stop Push Buttons, LED Indications for Running/Starting-Stopping etc complete with auto / manual selector for pressure switch- 01 Set (c) Digital Ammeter with Selector Switch and suitable ratio of CTs - 01 Set

(Item No 08.00 Contd--) (iv) Outgoing (for Jockey Pump):- (a) MCCB, 100 A, 3 Pole, 25 KA (Ics=100%Icu), 415 V, 50 Hz, with adjustable thermal - magnetic release with spreader links and extended ROM - 01 No (for jockey pump) (b) Fully Automatic Star Delta (FASD) starter suitable for 18.5 KW / 25 HP, 3 phase, 415 V, 50 Hz, AC induction motor coupled with centrifugal pump with Overload Load Relay, Single Phasing Preventor, Start / Stop Push Buttons, LED Indications for Running/Starting-Stopping etc complete with auto / manual selector for pressure switch - 01 Set (c) Digital Ammeter with Selector Switch and suitable ratio of CTs - 01 Set